18-letter words containing r, a, s, p

supraorbital ridge — browridge.
surgical appliance — a specialized device used by somebody to relieve a particular medical condition
surveyor's compass — an instrument used by surveyors for measuring azimuths.
sustaining program — a radio or television program without a commercial sponsor.
swartkrans ape-man — the fossil remains of the extinct hominid Australopithecus robustus, found at Swartkrans, Republic of South Africa: formerly classified in the genus Paranthropus.
sweptwing aircraft — an aircraft which has wings that are swept (usually) backwards
sympathetic strike — sympathy strike.
sympathetic string — a thin wire string, as in various obsolete musical instruments, designed to vibrate sympathetically with the bowed or plucked strings to reinforce the sound.
symphony orchestra — a large orchestra composed of wind, string, and percussion instruments and organized to perform symphonic compositions.
system-programming — a program, as an operating system, compiler, or utility program, that controls some aspect of the operation of a computer (opposed to application program).
systems programmer — a person whose job is to program systems software
take the wraps off — to reveal
temporal summation — the act or process of summing.
temporary hardness — hardness of water due to the presence of magnesium and calcium hydrogencarbonates, which can be precipitated as carbonates by boiling
terrestrial planet — inner planet.
the baptist church — any of various Protestant churches that believe in the baptism of believers
the lords temporal — (in Britain) peers other than bishops in their capacity as members of the House of Lords
the passenger seat — the seat used by a passenger of a car, beside the driver
the powers that be — You can refer to people in authority as the powers that be, especially when you want to say that you disagree with them or do not understand what they say or do.
the practicalities — the real facts or details of a situation, as opposed to its theoretical aspects
thiosulphuric acid — an unstable acid known only in solutions and in the form of its salts. Formula: H2S2O3
threatened species — a species likely, in the near future, to become an endangered species within all or much of its range.
thrills and spills — If you refer to thrills and spills, you are referring to an experience which is exciting and full of surprises.
to all appearances — apparently
to cast aspersions — If you cast aspersions on someone or something, you suggest that they are not very good in some way.
to get a bad press — If someone or something gets a bad press, they are criticized, especially in the newspapers, on television, or on radio. If they get a good press, they are praised.
to learn the ropes — If you are learning the ropes, you are learning how a particular task or job is done.
to play favourites — to display favouritism
to put years on sb — if you say that something such as an experience or a way of dressing has put years on someone, you mean that it has made them look or feel much older
to scrape a living — If you say that someone scrapes a living or scratches a living, you mean that they manage to earn enough to live on, but it is very difficult. In American English, you say they scrape out a living or scratch out a living.
to speak your mind — If you speak your mind, you say firmly and honestly what you think about a situation, even if this may offend or upset people.
to sweep the board — If someone sweeps the board in a competition or election, they win nearly everything that it is possible to win.
to watch your step — If someone tells you to watch your step, they are warning you to be careful about how you behave or what you say so that you do not get into trouble.
transfer passenger — a traveller who changes from one plane, train, or bus to another, or to another form of transport
transient response — A transient response of a circuit is a temporary change in the way that it behaves due to an external excitation, that will disappear with time.
transporter bridge — a bridge for carrying passengers and vehicles by means of a platform suspended from a trolley.
transverse process — a process that projects from the sides of a vertebra.
transylvanian alps — a mountain range in S Romania; a SW extension of the Carpathian Mountains. Highest peak: Mount Negoiu, 2548 m (8360 ft)
triphosphoric acid — the hypothetical acid H 5 P 3 O 10 , known chiefly by its salts.
under-compensation — to compensate or pay less than is fair, customary, or expected.
unisys corporation — (company) The company formed in 1984-5 when Burroughs Corporation merged with Sperry Corporation. This was when the phrase "dinosaurs mating" was coined. Unisys is one of the largest providers of information services, technology, and software in the world. They employ about 49,000 people and do business in some 100 countries. In 1994 about 80 percent of revenue was derived from commercial information systems and services, with the remainder coming from electronic systems and services for the defense market. The defense business was sold to Loral in early 1995. Slightly more than half of Unisys's revenue is from business in the United States. They specialise in providing business-critical solutions, based on open information networks, for organisations that operate in transaction-intensive environments. These organisations include financial services companies, airlines, telecommunications companies, government agencies, and other commercial enterprises. In August 1994, quarterly sales were $1799M and profits $50M.
universal coupling — a coupling between rotating shafts set at an angle to one another, allowing for rotation in three planes.
upper middle class — wealthy, highly-educated people
venture capitalist — funds invested or available for investment in a new or unproven business enterprise.
visitor's passport — (formerly, in Britain) a passport, valid for one year and for certain countries only, that could be purchased from post offices
warehouse capacity — the amount of storage space in a warehouse
weberian apparatus — (in certain fishes) a chain of small bones and ligaments connecting the inner ear with the air bladder.
wernicke's aphasia — a type of aphasia caused by a lesion in Wernicke's area of the brain and characterized by grammatical but more or less meaningless speech and an apparent inability to comprehend speech.
whispering gallery — a space or gallery beneath a dome or broad arch in which low sounds produced at any of certain points are clearly audible at certain other distant points.
wild passionflower — the maypop, Passiflora incarnata.

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